fix RSSI read avg bug

MikyM0use · Jul 9, 2016 · 814543f · 814543f
1 parent 6dff799
commit 814543f
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Showing 3 changed files with 11 additions and 9 deletions.
diff --git a/jafar_sketch/jafar_osd.ino b/jafar_sketch/jafar_osd.ino
@@ -115,7 +115,7 @@ void osd_scanner() {
     }
 
     TV.println(92, 3, (int)s_timer, DEC);
-    TV.delay(500);
+    TV.delay(100);
   }
   s_timer = 9;
 }

diff --git a/jafar_sketch/jafar_sketch.ino b/jafar_sketch/jafar_sketch.ino
@@ -168,7 +168,7 @@ void loop(void) {
           menu_band = menu_pos - 1;
           timer = TIMER_INIT_VALUE;
 
-#ifdef USE_OLED  /debounce and peace
+#ifdef USE_OLED  //debounce and peace
           delay(200);
 #else
           TV.delay(200);

diff --git a/jafar_sketch/rx5808.ino b/jafar_sketch/rx5808.ino
@@ -197,14 +197,16 @@ void RX5808::_wait_rssi() {
   delay(MIN_TUNE_TIME);
 }
 
+//simple avg of 4 value
 uint16_t RX5808::_readRSSI() {
-  uint32_t  sum = 0;
-  for (uint8_t i = 0; i < 10; i++)
-  {
-    sum += analogRead(_rssiPin);
-    delay(2);
-  }
-  return sum / 10; // average
+  volatile uint32_t sum = 0;
+  delay(9);
+  sum = analogRead(_rssiPin);
+  sum += analogRead(_rssiPin);
+  delay(1);
+  sum += analogRead(_rssiPin);
+  sum += analogRead(_rssiPin);
+  return sum / 4.0;
 }
 
 //compute the min and max RSSI value and store the values in EEPROM